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GBAS Ground-Based Augmentation System

The Ground-Based Augmentation System (GBAS) is a safety-critical NAVAIDS system that augments GPS approach and landing.

The GBAS is expected to support all-weather Operations at CAT-Ⅰ/Ⅱ/Ⅲ. GBAS CAT-Ⅰ operation is a first step towards the more critical operations of CAT-Ⅱ/Ⅲ precision approach and landing. The operational benefits of GBAS are: